if /I "%1" == "-a" (
	for %%i in (win\*.bat) do (
		if /I not "%%i"=="win\help.bat" (
			call %%i -h
		)
	)
) else (
	set cmd_list=
	for %%i in ( win\*.bat ) do set cmd_list=!cmd_list! %%~ni
	echo commans list: !cmd_list!
)

exit /B